Duden www.duden.de
Dizionario Langenscheidt it.langenscheidt.com/italiano-tedesco/
Dizionario PONS it.pons.com/traduzione
Deutsche Welle https://www.dw.com/de/themen/s-9077
Goethe Institut https://www.goethe.de/ins/de/it/kur.html?gclid=EAIaIQobChMIo9y978v94AIVA-h3Ch1wpwaQEAAYASAAEgI5APD_BwE